Suitable for travelers and business . Easy to use, just connect the USB to PC or AC charger to your watch . USB cable length: .100cm Type:Chargers Compatibility:Android Function:Passometer,Sleep Tracker,Message Reminder, Call,Remote Control,Altitude Meter, Message,Dial Call,Mood Tracker,Call Reminder,Fitness Tracker Language:English,Spanish,Portuguese,Italian,,Norwegian,,Polish,,Russian Application Age Group:Adult color:Black Material:plastic Package Contents: 1 x Smart Watch Charger Base Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.